.name {
    float: left;
    width: 300px;
    height: 30px;
    padding-left: 20px;
    border: 2px solid #FF9900;
    border-left: 0;
    border-right: 0;
    background-color: #FFFFCC;
    margin-top: 100px;
    margin-left: 50px;
}
.id textarea {
    float: left;
    width: 300px;
    height: 250px;
    padding-left: 20px;
    padding-top: 20px;
    border: 2px solid #FF9900;
    border-left: 0;
    border-right: 0;
    background-color: #FFFFCC;
    margin-top: 50px;
    margin-left: 50px;
}
.btn {
    float: left;
    width: 50px;
    height: 30px;
    background-color: #336699;
    border-radius: 15px;
    border: 2px solid #FF9900;
    color: #FFFFCC;
    margin-left: 175px;
    margin-top: 30px;
}

@media screen and (max-width:800px){
    .fl{
        float: none;
    }
    .heada{
        display: block;
        position: absolute;
        top: 0;
        right: 10px;
    }
    .name {
        display: block;
        float: none;
        width: 70%;
        height: 30px;
        padding-left: 20px;
        border: 2px solid #FF9900;
        background-color: #FFFFCC;
        margin-top: 100px;
        margin-left: auto;
        margin-right: auto;
    }
    .id textarea {
        display: block;
        float: none;
        width: 70%;
        height: 250px;
        padding-left: 20px;
        padding-top: 20px;
        border: 2px solid #FF9900;
        border-left: 0;
        border-right: 0;
        background-color: #FFFFCC;
        margin-left: auto;
        margin-right: auto;
    }
    .btn {
        display: block;
        float: none;
        width: 20%;
        height: 30px;
        background-color: #336699;
        border-radius: 15px;
        border: 2px solid #FF9900;
        color: #FFFFCC;
        margin: 30px auto;
    }
}